Sofa



FIG. 1 is a left, front, top perspective view of the sofa of my design.

FIG. 2 is a top view of the sofa.

FIG. 3 is a front elevation view of the sofa.

FIG. 4 is a left side elevation view of the sofa (the right side elevation side view, being a mirror image of the left side elevation view, is not shown).

FIG. 5 is a rear elevation view of the sofa; and,

FIG. 6 is a bottom view of the sofa. 

CLAIM The ornamental design for a sofa, as shown and described. 